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CVE-2020-28283
Prototype pollution vulnerability in 'libnested' versions 0.0.0 through 1.5.0 allows an attacker to cause a denial of service and may lead…
Critical9.8EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- Mend
Description
Prototype pollution vulnerability in 'libnested' versions 0.0.0 through 1.5.0 allows an attacker to cause a denial of service and may lead to remote code execution.
Timeline
ID reserved
By Mend
- 53 days later
· 53 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- Prototype Pollution
Affected products
libnested
- affected 0.0.0, 1.0.0, 1.1.0, 1.2.1, 1.2.3, 1.3.1, 1.3.2, 1.4.0, 1.4.1, 1.5.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmlibnestedGHSA-3r9x-mjrm-2725 (opens in a new tab)
References (2)
- https://github.com/dominictarr/libnested/blob/d028a1b0f2e5f16fc28e568f52b936ae0bca0647/index.js#L27 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28284 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-3r9x-mjrm-2725 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-28283)Record last updated .